

<ul>
  <li>
    <a [routerLink]="['/app1']">
      app1
    </a>
  </li>
  <li>
    <a [routerLink]="['/app2']">
      app2
    </a>
  </li>
</ul>
<router-outlet></router-outlet>
<div id="app-host-container">

</div>
